Dichloroethylene and hydrogen sulfide are bonded through dipole-dipole interaction and London dispersion force.
Dichloroethylene is a nonpolar molecule because of its symmetrical geometry, which results in the equal sharing of electrons between the two chlorine atoms and the carbon atoms.
Hydrogen sulfide is a polar molecule with a bent structure that has a hydrogen atom bonded to a sulfur atom and two nonbonding electron pairs.A dipole-dipole interaction occurs between dichloroethylene and hydrogen sulfide due to their polarity.
This interaction is due to the interaction of the positive and negative ends of the two polar molecules, resulting in an electrostatic attraction between them.
This dipole-dipole interaction is the main answer to the type of intermolecular forces that act between dichloroethylene and hydrogen sulfide.
The intermolecular forces that are acting between dichloroethylene and hydrogen sulfide are known as van der Waals forces, which can be described as the sum of dipole-dipole interactions, London dispersion forces, and hydrogen bonding.
The London dispersion force is the dominant force between dichloroethylene and hydrogen sulfide since it is a nonpolar molecule and has a much larger electron cloud than hydrogen sulfide.
This force can be described as the interaction between the electron clouds of the two molecules that arise from temporary dipoles.
When two atoms or molecules are brought together, the force of attraction between them is referred to as intermolecular forces. Hydrogen bonding, London dispersion forces, and dipole-dipole interactions are the three main types of intermolecular forces.
In this case, dichloroethylene and hydrogen sulfide are bonded through dipole-dipole interaction and London dispersion forces.
A dipole-dipole interaction is caused by the interaction of the positive and negative ends of two polar molecules, resulting in an electrostatic attraction between them.
This interaction arises as a result of the unequal sharing of electrons in polar covalent bonds and the resulting partial charge on atoms within the molecule.
London dispersion forces, on the other hand, occur between all molecules, whether polar or nonpolar.
The London dispersion force is the dominant force between dichloroethylene and hydrogen sulfide since it is a nonpolar molecule and has a much larger electron cloud than hydrogen sulfide.
Dichloroethylene and hydrogen sulfide are bonded through dipole-dipole interaction and London dispersion forces. The interaction of the positive and negative ends of two polar molecules resulting in an electrostatic attraction between them is known as dipole-dipole interaction. On the other hand, London dispersion forces occur between all molecules, whether polar or nonpolar. The London dispersion force is the dominant force between dichloroethylene and hydrogen sulfide since it is a nonpolar molecule and has a much larger electron cloud than hydrogen sulfide.
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Find the total translational kinetic energy of
1.5 L of oxygen gas held at a temperature of
3◦C and a pressure of 2 atm.
The total translational kinetic energy of 1.5 L of oxygen gas held at a temperature of 3°C and a pressure of 2 atm is approximately X Joules.
To find the total translational kinetic energy, we need to use the ideal gas law and the equation for translational kinetic energy. Firstly, we convert the temperature from Celsius to Kelvin by adding 273.15. Then, applying the ideal gas law equation PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature in Kelvin, we calculate the number of moles. Finally, using the equation KE = (3/2) * n * R * T, we can determine the total translational kinetic energy of the given amount of oxygen gas.
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Which nonmetal is more reactive: Fluorine (F) or Selenium (Se)?
A).Fluorine (F)
B).Selenium (Se)
Answer:
Fluorine
Explanation:
why is it necessary to assign organic chemistry exclusively to the study of carbon compounds?
Answer:
the significant of carbon.A compound found mainly in living things is known as an organic compound make up the cells and other structures of organism and carry out life processes.Carbon is the main element in organic compound,so carbon is essential to life on earth
It is necessary to assign organic chemistry exclusively to the study of carbon compounds due to the valency and configuration of the carbon atom.
Carbon is the 6th most abundant element in the cosmos and it can be seen in organic compounds on which life functions exist. Carbon is an element that can be located in group 14 and period 2 on the periodic table.
Carbon comprises 2 electrons in its first shell and 4 in its second shell, and it is because of this configuration that it is such an exclusive element.
Organic compounds are typically formed using the octet rule, which states that atoms achieve stability by acquiring or shedding electrons to reach the optimal amount of eight electrons in their outer shell. They accomplish this by forming ionic and covalent bonds.
An atom donates electrons with at least one other atom while creating a covalent bond, enabling both atoms to attain a more stable configuration.
Carbon, with just 4 electrons in its outer shell, is capable to donate and receive electrons, and it can create 4 covalent bonds at the same time.
Therefore, from the above explanation, we can conclude that it is necessary to assign organic chemistry exclusively to the study of carbon compounds due to the valency and configuration of the carbon atom.
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Chromium metal is immersed in an aqueous solution of cobalt(II) chloride Express your answer as a chemical equation. Identity all of the phases in your answer. Enter noreaction if no reaction occurs. Cr(s) + Cu(CI), (aq)-Cr(Cl),(aq) + Cu(s)
When chromium metal is immersed in an aqueous solution of cobalt(II) chloride, no reaction occurs. The balanced chemical equation for this scenario is: No reaction (noreaction).
When determining if a reaction occurs between two substances, we need to consider the reactivity of the elements and the possible formation of new compounds. In this case, chromium (Cr) is a less reactive metal compared to cobalt (Co) and copper (Cu).
The chemical equation provided, Cr(s) + Cu(Cl)2(aq) → Cr(Cl)2(aq) + Cu(s), does not correctly represent the reaction between chromium and cobalt(II) chloride. It suggests the formation of chromium chloride and the displacement of copper from copper chloride, which is not observed.
In reality, when chromium metal is immersed in an aqueous solution of cobalt(II) chloride, no reaction occurs. Chromium does not displace cobalt from cobalt(II) chloride, and there is no formation of new compounds. Therefore, the correct representation of the reaction is: No reaction (noreaction).
Hence, no chemical reaction occurs when chromium metal is immersed in an aqueous solution of cobalt(II) chloride.
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Which of the following pairs of reactants produces a hemiacetal? O ketone and alcohol O ketone and aldehyde O ketone and carboxylic acid O none of these. Which of the following pairs of reactants produces a hemiacetal? O aldehyde and alcohol O aldehyde and amine O aldehyde and carboxylic acid O aldehyde and water
The pair of reactants that produces a hemiacetal is: O aldehyde and alcohol.
A hemiacetal is formed when an aldehyde or a ketone reacts with an alcohol in the presence of an acid catalyst. However, the specific reaction between an aldehyde and an alcohol is what produces a hemiacetal.
In the given options, the pair "aldehyde and alcohol" is the correct choice. When an aldehyde reacts with an alcohol, a hemiacetal is formed. The reaction involves the alcohol donating a hydrogen atom (H) to the carbonyl group of the aldehyde, leading to the formation of a hemiacetal functional group.
The other options mentioned in the question ("ketone and alcohol," "ketone and aldehyde," "ketone and carboxylic acid," "aldehyde and amine," "aldehyde and carboxylic acid," and "aldehyde and water") do not result in the formation of a hemiacetal.
Therefore, the pair "aldehyde and alcohol" is the one that produces a hemiacetal.
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What is the mass number of an atom/ion with 32 electrons, 32 protons, and 31
neutrons?
Answer:
63
Explanation:
Relative mass = number of Protons + number of Neutrons
Relative mass = 32 +31
Relative mass= 63
what particle is bigger Fr or Fe3+ why?
Explanation:
Fe2+ is greater in size as it has lost less electrons than Fe3+ . So, the nuclear pull is more strong on Fe3+ decreasing the atomic size. Thus Fe2+ is greater in size.
which one of the following isn’t true about ir spectroscopy?
Out of the given options, the statement "IR spectroscopy provides information about the molecular weight of a compound" is not true.
Infrared (IR) spectroscopy is a technique used to analyze the molecular vibrations of a compound. It measures the absorption of infrared radiation by the sample, providing valuable information about the functional groups present in the molecule. However, IR spectroscopy does not directly provide information about the molecular weight of a compound.
The other aspects of IR spectroscopy are true:
IR spectroscopy identifies functional groups based on characteristic absorption frequencies.
It can be used to determine the presence of specific bonds, such as C=O, O-H, N-H, etc.
IR spectra are typically displayed as a plot of percent transmittance or absorbance versus wavenumber (frequency).
Remember that IR spectroscopy primarily focuses on molecular vibrations and not molecular weight.
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which aqueous solution has the slowest evaporation rate? which aqueous solution has the slowest evaporation rate? 0.2 m k2so4 0.1 m bacl2 0.2 m naoh 0.2 m c6h12o6 0.1 m nh4cl
0.1 m BaCl2 has the slowest evaporation rate among the given options due to its stronger intermolecular forces. This is due to the weaker intermolecular forces in the other options, which would evaporate quickly.
The aqueous solution that has the slowest evaporation rate among the given options 0.2 m K2SO4, 0.1 m BaCl2, 0.2 m NaOH, 0.2 m C6H12O6, and 0.1 m NH4Cl is 0.1 m BaCl2. Evaporation is the process of converting a liquid into a gas or vapor. In a solution, the liquid portion is called the solvent, and the component that is dissolved in the solvent is known as the solute. The evaporative behavior of a solution is affected by both the solvent and solute components of the solution. The rate of evaporation is influenced by the strength of the intermolecular forces within the liquid. The stronger the intermolecular forces in a liquid, the slower the rate of evaporation. We can determine the evaporation rate of a solution by analyzing the properties of the solvent and solute. The given options 0.2 m K2SO4, 0.2 m NaOH, 0.2 m C6H12O6, and 0.1 m NH4Cl all have weak intermolecular forces, and they would therefore evaporate quickly. However, 0.1 m BaCl2 has the slowest evaporation rate since it has the strongest intermolecular forces in the given options. As a result, 0.1 m BaCl2 has the slowest evaporation rate compared to other options.So, 0.1 m BaCl2 has the slowest evaporation rate.
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anybody help?! please
how does atmospheric co2 change the rate of ocean acidification, endangering marine life that have shells?
The increasing atmospheric carbon dioxide (CO2) is absorbed by the ocean, and the reaction between CO2 and seawater results in a decrease in pH, causing ocean acidification. Carbon dioxide gas dissolved in seawater forms carbonic acid, which is responsible for the acidity in the water.
This decrease in pH threatens the survival of marine organisms, especially those with shells, such as mollusks and corals.The acidification of the ocean can lead to the dissolution of calcium carbonate, which forms the shells of many marine organisms, causing them to struggle to maintain their shells. Ocean acidification can also impact the way marine organisms live, reproduce, and grow.
The shells of various marine animals, including corals, mollusks, and crustaceans, are made of calcium carbonate. The decrease in pH in seawater lowers the saturation state of calcium carbonate, making it difficult for animals to build and maintain shells and other calcium carbonate structures.
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describe how doppler is used to distnguish the presence ir absense if flow in a vessel from nonvasuclar structures
Doppler ultrasound is a noninvasive medical examination that uses high-frequency sound waves to generate images of the body's internal organs and structures. It can identify areas of poor blood flow, blockages, and other problems in blood vessels.
It is also utilized to distinguish between the presence or absence of flow in a vessel from nonvascular structures by analyzing the velocity and direction of blood flow in the vessels To detect the presence of flow in a vessel, the Doppler signal should be visible on the spectral display, which shows the velocity and direction of blood flow.
If the signal is not present, the vessel is assumed to be occluded or nonpatent, and flow is either absent or reversed. The absence of a signal in a nonvascular structure indicates that no flow is present since these structures lack vascularization, such as bone or solid organs. Therefore, Doppler ultrasound can be used to identify vascular and nonvascular structures and differentiate between them based on the presence or absence of flow.
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How many moles are in 100. mg of c26h23n7o2
Answer:
4.1143797572516005
Explanation:
I think this is what you're asking, I'm not sure
The number of grams in a mole is determined by the substance. To calculate it, multiply the atomic or molecular mass of your substance by the number of moles you have.
Moles are in 100. mg of C26 H23 N7 O2 = 2.15 × [tex]$10^{-4}[/tex] mole
How many grams in a mole?The number of grams in a mole is determined by the substance. To calculate it, multiply the atomic or molecular mass of your substance by the number of moles you have. The atomic or molecular mass will be the same as the weight for one mole. A substance's molar mass is the mass in grams of one mole of the compound. A mole is the number of entities present in a substance, such as atoms, molecules, or ions. A mole of any substance is defined as 6.022 x molecules.Atoms and molecules are so small, the mole concept enables us to count them by weighing macroscopically small amounts of matter.Therefore,
mole concept establishes a standard for determining reaction stoichiometry.
molecular weight = 465.5 g
100. mg = .1 g.
moles are in 100. mg of C26 H23 N7 O2 = 2.15 × [tex]$10^{-4}[/tex] mole
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2.08 moles of an ideal monoatomic gas initially at at pressure of 9.048 bars and a temperature of 308.3 k is heated at constant volume until its pressure has doubled. the gas is then allowed to expand isothermally against at constant pressure of 1.5000 bars until it reaches mechanical equilibrium. calculate in joules for the gas at the end of the process.
As per the given question, the energy of the gas at the end of the process is 6596.68 J.
The given conditions are as follows:
Number of moles of the gas, n = 2.08
Ideal gas constant, R = 8.31 J/K-mol
Initial pressure of the gas, P1 = 9.048 bars Initial temperature of the gas,
T1 = 308.3 K The initial state of the gas is heated at a constant volume, so the volume of the gas remains constant during this process. Therefore, V1 = V2, where V1 is the initial volume of the gas and V2 is the final volume of the gas.At a constant volume, the gas equation can be given as:
P1V1 = nRT1
Thus, V1 = nRT1/P1
= 2.08 × 8.31 × 308.3 / 9.048
= 469.4 L
At constant volume, when the pressure of the gas doubles, the final pressure becomes:
P2 = 2 × P1
= 2 × 9.048
= 18.096 bars
For isothermal expansion of the gas at a constant pressure of 1.5000 bars until it reaches mechanical equilibrium, the final volume of the gas is given by the equation:
V3 = nRT3/P3
where T3 is the final temperature of the gas and P3 is the final pressure of the gas.The isothermal process is carried out such that the temperature of the gas remains constant.
Therefore,T1 = T3Thus, V3 = V2 (P2/P3)
= 469.4 (18.096/1.5)
= 5626.40 L
The work done by the gas in the isothermal expansion can be calculated as follows:
W = nRT ln (P2/P3)
= 2.08 × 8.31 × ln (18.096/1.5)
= 6596.68 J
The total change in internal energy of the gas can be calculated as: ΔU = Q - W WHere, Q is the heat supplied to the gas. The isothermal process is carried out such that the temperature of the gas remains constant. Therefore,ΔU = 0 (as there is no change in temperature)Thus, Q = W = 6596.68 J
Therefore, the energy of the gas at the end of the process is 6596.68 J.
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What are two possible fates of stars larger than 8 sol
How do you separate a fine powder consisting of aluminum soda cans, steel cans, milk jugs, and soda bottles?
Answer:
rate of change
Explanation:
The temperature of a sample of matter is a measure of the *
1. total kinetic energy of its particles
2.average potential energy of
its particles
3.average kinetic energy of its
particles
4.total potential energy of its particles
Explanation:
3.average kinetic energy of its
particles
Which of the following is a characteristic of mixture
Answer:
One of the most notable characteristics of a mixture is that it does not have a fixed composition. Water, a compound, always has 11.2 percent hydrogen and 88.8 percent oxygen by weight. Brass is a mixture because it has varying amounts of copper and zinc. One type of brass may contain as much as 45 percent zinc, while another type may contain around 10 percent zinc. Mixtures may also have changing properties depending on their composition. The boiling point of a mixture of alcohol and water varies based on how much alcohol is in the mixture.
Hope this helps :)
Does the reaction between sodium
and chlorine indicate a CHEMICAL or a
PHYSICAL change in matter?
The reaction between sodium
and chlorine is NaCl which is physical change
1) Which electron configuration represents an atom in an excited state?
A) 2-7
B) 2-6-2
C) 2-8-8-2
D) 2-8-1
Answer:
B) 2-6-2 is in excited state
Two or more than two atoms with different physical or chemical properties can not combine together to form an element. Therefore, electronic configuration represents an atom in an excited state is option B that is 2-6-2.
What is element?Element generally consist of atoms or we can atoms combine to form element. Atoms of an element is always same, means all the properties of all atoms of one type of element is same. Element combine to form compounds.
The systematic distribution of electrons in the various atomic orbitals is called its electronic configuration. Electronic configuration represents an atom in an excited state is option B that is 2-6-2.
Therefore, electronic configuration represents an atom in an excited state is option B that is 2-6-2.
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which of the following statements is true related to the product created from chemical reactions?select one:a.actual yield is greater than theoretical yieldb.percentage yield is never calculatedc.theoretical yield is greater than actual yieldd.theoretical yield is always achieve
Theoretical yield is the maximum amount of product produced in theory, based on stoichiometry calculations. Actual yield is the amount of product produced in a laboratory experiment. To determine the extent of a chemical reaction's success, the percentage yield is calculated by dividing the actual yield by the theoretical yield and multiplying by 100.
Theoretical yield is the amount of a product that could be made in a chemical reaction calculated using stoichiometry. Actual yield is the amount of product produced when a chemical reaction is carried out in the laboratory.
In general, actual yield is less than the theoretical yield due to incomplete reactions, losses during purification, or errors in measurement. To determine the extent of a chemical reaction's success, the percentage yield is used, which is calculated by dividing the actual yield by the theoretical yield and multiplying by 100.
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In a successful saltwater tank that has been running for many years, which of the following statements about nitrogen compounds is correct? The nitrate levels would be higher than the ammonia levels because no more ammonia would be produced in the established tank. The nitrate levels would be higher than the ammonia levels because nitrifying bacteria are at a high level in an established tank. The ammonia levels would be higher than the nitrate levels because nitrifying bacteria are at a high level in an established tank. All of the nitrogen compounds would measure zero or close to zero in an established tank.
In a successful saltwater tank that has been running for many years, the statement "The nitrate levels would be higher than the ammonia levels because nitrifying bacteria are at a high level in an established tank" is correct.
In an established tank, nitrifying bacteria have had time to colonize and establish a stable biological filtration system. These bacteria convert toxic ammonia (produced by fish waste and decaying organic matter) into nitrite and then further convert nitrite into nitrate. Nitrate is the least toxic form of nitrogen compound for fish and other aquatic organisms.
Since nitrifying bacteria are at a high level in an established tank, they efficiently convert ammonia to nitrate. As a result, the ammonia levels are typically low or undetectable, while the nitrate levels gradually increase over time. Therefore, in a successful saltwater tank, the nitrate levels would be higher than the ammonia levels.
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When drawing a free body diagram of a falling egg without air resistance, what force should be present?
friction
normal
gravity
Answer: gravity, if I am correct.
Explanation:
Gold has a density of 19.3 g/cm^3. If you have a
gold bar with a volume of 44.9 cm^3, what is the
mass?
Answer:
The answer is
866.57 gExplanation:
The mass of a substance when given the density and volume can be found by using the formula
mass = Density × volumeFrom the question
volume = 44.9 cm³
density = 19.3 g/cm³
We have
mass = 19.3 × 44.9
We have the final answer as
866.57 gHope this helps you
what is the ph of a solution made by diluting 10.0 ml of a 0.214 m solution of nitric acid, hno3(aq), to a volume of 200.0 ml? what is the ph of a solution made by diluting 10.0 ml of a 0.214 m solution of nitric acid, hno3(aq), to a volume of 200.0 ml? 0.670 1.971 12.029 13.330
the pH of the diluted solution is 1.971.
To calculate the pH of the solution, we need to determine the concentration of hydrogen ions ([H+]) in the diluted solution.
Given:
Volume of concentrated solution (V1) = 10.0 ml = 0.01 L
Concentration of concentrated solution (C1) = 0.214 M
Volume of diluted solution (V2) = 200.0 ml = 0.2 L
Using the dilution formula, we can calculate the concentration of the diluted solution (C2):
C1V1 = C2V2
(0.214 M)(0.01 L) = C2(0.2 L)
0.00214 mol = C2(0.2 L)
C2 = 0.00214 mol / 0.2 L
C2 = 0.0107 M
Since nitric acid (HNO3) is a strong acid, it completely dissociates in water, resulting in an equal concentration of hydrogen ions ([H+]). Therefore, [H+] = 0.0107 M.
To calculate the pH, we can use the formula:
pH = -log[H+]
pH = -log(0.0107)
pH = 1.971
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The titration of 80.0 mL of an unknown concentration H3PO4 solution requires 126 mL of 0.218 M KOH solution. What is the concentration of the H3PO4 solution (in M)?
0.114 M
0.343 M
0.138 M
1.03 M
0.0461 M
The concentration of the H3PO4 solution is 0.343 M. To determine the concentration of the H3PO4 solution, we can use the concept of stoichiometry and the volume and concentration data from the titration.
From the balanced chemical equation: H3PO4 + 3KOH -> K3PO4 + 3H2O, we can see that the stoichiometric ratio between H3PO4 and KOH is 1:3.
Given that 126 mL of 0.218 M KOH solution is required to titrate 80.0 mL of the H3PO4 solution, we can set up the following equation based on the stoichiometry:
(0.218 M KOH)(0.126 L KOH) = (C H3PO4)(0.0800 L H3PO4)(3)
Solving for C H3PO4 (the concentration of the H3PO4 solution), we find:
C H3PO4 = (0.218 M KOH)(0.126 L KOH) / (0.0800 L H3PO4)(3) ≈ 0.343 M
Therefore, the concentration of the H3PO4 solution is approximately 0.343 M.
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Classify each of the following as a pure substance, homogeneous mixture, solution, or colloid.
1- Acetic acid
2- Ether
3- Vinegar
4- Gravy
5- Beef stew
6- Seltzer water
7- Salad
Acetic acid: Pure substance.
Ether: Pure substance.
Vinegar: Homogeneous mixture.
Gravy: Homogeneous mixture.
Beef stew: Heterogeneous mixture.
Seltzer water: Solution.
Salad: Heterogeneous mixture.
Acetic acid: Pure substance. Acetic acid, with the chemical formula CH3COOH, is a pure substance as it consists of a single type of molecule.
Ether: Pure substance. Ether, also known as diethyl ether (C4H10O), is a pure substance as it consists of a single type of molecule.
Vinegar: Homogeneous mixture. Vinegar is a mixture of acetic acid (CH3COOH) and water. It forms a homogeneous mixture as the acetic acid and water molecules are uniformly distributed throughout the solution.
Gravy: Homogeneous mixture. Gravy is typically made by mixing various ingredients such as meat drippings, flour, and water or broth. It forms a homogeneous mixture as the components are evenly distributed throughout the mixture.
Beef stew: Heterogeneous mixture. Beef stew consists of various ingredients like beef, vegetables, spices, and broth, which do not blend uniformly. It forms a heterogeneous mixture as the different components are distinguishable and not uniformly distributed.
Seltzer water: Solution. Seltzer water is carbonated water, where carbon dioxide gas (CO2) is dissolved in water. It forms a solution as the carbon dioxide molecules are uniformly dispersed throughout the water.
Salad: Heterogeneous mixture. A salad typically consists of various ingredients such as lettuce, tomatoes, cucumbers, and dressings, which do not mix uniformly. It forms a heterogeneous mixture as the different components are visually distinguishable and unevenly distributed.
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Which illustrates different states of a substance?
1 ice and water vapor
2 sugar and water
3 limestone and crushed limestone
4 oxygen and nitrogen
please solve this problem. IT IS TOO URGENT ♂️
Answer:
1. Sulphuric acid
2. Car battery acid
3. Washing up liquid
4. Milk of magnesia
5. Metal polish
6. Oven cleaner
Explanation:
Universal paper can determine the pH of a solution. It ranges from dark red (pH 0 - very acidic) to orange/yellow, to green (pH 7 - neutral) to blue, dark blue and purple (pH 14 - very alkaline)
Sulphuric acid has the lowest pH as the universal indicator is red.
The next is car battery acid which is pink - not as acidic as red.
The next is washing up liquid, which is yellow, around pH 3 or 4.
The next is milk of magnesia with light blue, around pH 9 or 10.
Metal polish is dark blue - around pH 11.
Oven cleaner is the darkest, with purple.
iron is an example of
Answer:
Iron is made up of ferromagnetic material.
Explanation:
